po 22. 7. 2024 v 10:23 odesÃlatel Laurenz Albe <laurenz.a...@cybertec.at> napsal:
> Thanks for the updated patch and the fixes! > > On Mon, 2024-07-22 at 08:37 +0200, Pavel Stehule wrote: > > > > --- a/doc/src/sgml/ref/pg_restore.sgml > > > > +++ b/doc/src/sgml/ref/pg_restore.sgml > > > > > > > + <varlistentry> > > > > + <term><option>-A <replaceable > class="parameter">schema_variable</replaceable></option></term> > > > > + <term><option>--variable=<replaceable > class="parameter">schema_variable</replaceable></option></term> > > > > + <listitem> > > > > + <para> > > > > + Restore a named schema variable only. Multiple schema > variables may be specified with > > > > + multiple <option>-A</option> switches. > > > > + </para> > > > > + </listitem> > > > > + </varlistentry> > > > > > > Do we need that? We have no such option for functions and other > non-relations. > > > > It is designed to be consistent with others. pg_restore supports > functions -P, triggers -T > > > > > > And if we really want such an option for "pg_restore", why not for > "pg_dump"? > > > > > > > I have no strong opinion about it, I think so it is consistent with > other non-relations, but it is not important. > > > > I moved this feature to a separate patch. It can be committed optionaly > or later. > > > > pg_restore has options -P, -T, and pg_dump does not have these options. > These options (functionality) can > > be implemented in pg_dump too, but unfortunately -T is used for > different purposes (exclude table). > > Ah! I didn't realize that -P and -T are the same. So no objections, > although I'm > not sure if anyone will ever want to restore a single variable from a > backup. > I wrote it mainly for completeness and symmetry. I can imagine only one use case - possibility to offline trace the changes of schema, but who knows. The cost is just an occupation of 'A' char. Maybe it doesn't need a short option, and a long option can be good enough. Pavel > Yours, > Laurenz Albe >